| Drake Public Library FoundationCenterville | Form 990-N | No figure |
| Dysart-Geneseo Elementary School Parent-Teacher OrganizationDysart | Form 990-N | No figure |
| 3 Principles NetworkJohnston | Form 990-N | No figure |
| Children Obey FoundationUrbandale | Form 990-N | No figure |
| Barry Goldwater Educational Support FundIowa City | Form 990-N | No figure |
| Tiffin Elementary Parent Teacher GroupTiffin | Form 990-N | No figure |
| Iowa Concrete Paving Association Scholarship Fund IncAnkeny | Form 990-N | No figure |
| New Independent Learning CentersNevada | Form 990-N | No figure |
| Durja Educational FoundationJohnston | Form 990-N | No figure |
| Beverly J Eck Education FoundationKnoxville | Form 990-N | No figure |
| Archibald Alexander Elementary PTOIowa City | Form 990-N | No figure |
| Menlo Library Foundation LtdMenlo | Form 990-N | No figure |
| Future Farmers of America State Associations & Local ChapterJoice | Form 990-N | No figure |
| Corning Gun ClubCorning | Form 990-N | No figure |
| Test Kitchen Education FoundationFort Madison | Form 990-N | No figure |
| Iowa Master NaturalistsRiverside | Form 990-N | No figure |
| West Branch Community School District FoundationWest Branch | Form 990-N | No figure |
| Sibley Betterment AssociationSibley | Form 990-N | No figure |
| Williamsburg Music AssociationWilliamsburg | Form 990-N | No figure |
| Ghana Christian Family FoundationAmes | Form 990-N | No figure |
| Iowa Quiz Bowl LeagueClive | Form 990-N | No figure |
| Peace Homeschool Group IncPella | Form 990-N | No figure |
| Alta-Aurelia Music Boosters IncAurelia | Form 990-N | No figure |
| A-P Area Spanish ClubAplington | Form 990-N | No figure |
| United Community School PTOBoone | Form 990-N | No figure |
| Creative Corridor Center for EquityCedar Rapids | Form 990-N | No figure |
| Blue Devils Drama BoostersDavenport | Form 990-N | No figure |
| CCSD First Robotics Booster ClubDe Witt | Form 990-N | No figure |
| Kirkwood Elementary PTOCoralville | Form 990-N | No figure |
| Panther Ball IncKingsley | Form 990-N | No figure |
| Hope CharitiesDavenport | Form 990-N | No figure |
| North Mahaska Athletic BoostersNew Sharon | Form 990-N | No figure |
| Parents & Friends of Moore ElementaryDes Moines | Form 990-N | No figure |
| Wellspring Guild IncWaverly | Form 990-N | No figure |
| National Toothpick Holders Collectors SocietyIowa City | Form 990-N | No figure |
| Iowa Methodist School of Nursing Alumni AssociationAnkeny | Form 990-N | No figure |
| Communia CorporationSolon | Form 990-N | No figure |
| Villisca Alumni and Friends AssociationVillisca | Form 990-N | No figure |
| Naifa Florida Education Foundation IncCedar Falls | Form 990-N | No figure |
| Coalition for Life of IowaCedar Rapids | Form 990-N | No figure |
| Durant PTODurant | Form 990-N | No figure |
| Vocal and Instrumental Promoters of the Algona Community School DistAlgona | Form 990-N | No figure |
| Iowa Association of Nursing StudentsDecorah | Form 990-N | No figure |
| Iowa Neonatal Quality CollaborativeIowa City | Form 990-N | No figure |
| Fairfax Iowa Library Foundation IncFairfax | Form 990-N | No figure |
| Honor Society of Phi Kappa PhiCedar Rapids | Form 990-N | No figure |
| Naples Macfriends User Group IncDes Moines | Form 990-N | No figure |
| Illinois-Iowa Section of the American Chemical SocietyDavenport | Form 990-N | No figure |
| Scranton Public Library Foundation IncScranton | Form 990-N | No figure |
| Friends of Bayard Public LibraryBayard | Form 990-N | No figure |